Mom's Chocolate Cake

350F

2 C flour
2 C sugar
1 t baking soda
1 t salt
1/2 t baking powder
3/4 C water
3/4 C buttermilk
1/2 C margarine or butter
2 eggs
1 t vanilla
1/2 C cocoa
grease/flour 9x13

Mix all together on low, scraping constantly for 30 seconds, then high for 3 minutes scraping occasionally. Bake 30-35 minutes, until toothpick comes out clean.

Peppermint Butter Frosting:

3 C powdered sugar
1/3 C margarine or butter
1-1 1/2 t peppermint extract (to taste)
2 T milk

Mix sugar and marg, add flavor and milk. Beat until smooth.